Formation of radicals from singlet oxygen produced during photoinhibition of isolated light-harvesting proteins of photosystem II.

@article{Rinalducci2004FormationOR,
  title={Formation of radicals from singlet oxygen produced during photoinhibition of isolated light-harvesting proteins of photosystem II.},
  author={Sara Rinalducci and Jens Zacho Pedersen and Lello Zolla},
  journal={Biochimica et biophysica acta},
  year={2004},
  volume={1608 1},
  pages={63-73}
}
Electron spin resonance spectroscopy and liquid chromatography have been used to detect radical formation and fragmentation of polypeptides during photoinhibition of purified major antenna proteins, free of protease contaminants. In the absence of oxygen and light, no radicals were observed and there was no damage to the proteins. Similarly illumination of the apoproteins did not induce any polypeptide fragmentation, suggesting that chlorophyll, light and atmospheric oxygen are all… CONTINUE READING

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